Finding the Fourth Proportional to 14,429,516.99, 19,903,153.34 and 9,279,394.43
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Solution
The fourth proportional to 14,429,516.99, 19,903,153.34 and 9,279,394.43 is: 12,799,403.50
Step by Step Solution
- Step 1: Write the proportion equation
14,429,516.99 : 19,903,153.34 = 9,279,394.43 : x - Step 2: Convert to fraction form
14,429,516.99/19,903,153.34 = 9,279,394.43/x - Step 3: Cross multiply
14,429,516.99x = 19,903,153.34 × 9,279,394.43 - Step 4: Simplify right side
14,429,516.99x = 184,689,210,166,314.66 - Step 5: Solve for x
x = 184,689,210,166,314.66/14,429,516.99 - Step 6: Final answer
x = 12,799,403.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.